<template>
  <m-card :icon="icon" :title="title">
    <div class="nav jc-between">
      <div
        class="nav-item"
        :class="{active: active == index}"
        v-for="(category,index) in categories"
        :key="index"
        @click="$refs.list.$swiper.slideTo(index)"
      >
        <div class="nav-link">{{category.name}}</div>
      </div>
    </div>

    <div class="pt-3">
      <swiper ref="list" @slide-change="() => active = $refs.list.$swiper.activeIndex" :options="{autoHeight: true}">
        <swiper-slide v-for="(category,index) in categories" :key="index">
          <slot name="items" :category="category"></slot>
        </swiper-slide>
      </swiper>
    </div>
  </m-card>
</template>

<script>
export default {
  props: {
    icon: { type: String, required: true },
    title: { type: String, required: true },
    categories: { type: Array, required: true }
  },
  data() {
    return {
      active: 0
    }
  },
  methods: {
    slideChage() {
      // $refs.list.$swiper.slideTo(i)
      console.log(this.$refs.list.$swiper)
    }
  }
};
</script>

<style lang="scss">
</style>